New Hampshire Area Codes

Here is the current list of area codes in the state of New Hampshire. There are 142 area codes in New Hampshire that are currently being used. Find out all New Hampshire area codes below by searching each of the cities below. We have the most up-to-date list of area codes in New Hampshire.

Area Code State City Timezone
603New HampshireMarlboroughEastern
603New HampshireGilmanton Iron WorksEastern
603New HampshireKeeneEastern
603New HampshireCamptonEastern
603New HampshireAshlandEastern
603New HampshireSuncookEastern
603New HampshireConwayEastern
603New HampshireNew BostonEastern
603New HampshireNorthwoodEastern
603New HampshireRyeEastern
603New HampshireAltonEastern
603New HampshireMonroeEastern
603New HampshireLymeEastern
603New HampshireClaremontEastern
603New HampshireBowEastern
603New HampshireGilmantonEastern
603New HampshireAlsteadEastern